Alright, let's solve this math problem step by step. First, we have the number 851. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 328. So, we're going to take the number 851 and add it to itself 328 times.
Step 1: 0 + 851 = 851
Step 2: 851 + 851 = 1702
Step 3: 1702 + 851 = 2553
Step 4: 2553 + 851 = 3404
Step 5: 3404 + 851 = 4255
Step 6: 4255 + 851 = 5106
Step 7: 5106 + 851 = 5957
Step 8: 5957 + 851 = 6808
Step 9: 6808 + 851 = 7659
Step 10: 7659 + 851 = 8510
Step 11: 8510 + 851 = 9361
Step 12: 9361 + 851 = 10212
Step 13: 10212 + 851 = 11063
Step 14: 11063 + 851 = 11914
Step 15: 11914 + 851 = 12765
Step 16: 12765 + 851 = 13616
Step 17: 13616 + 851 = 14467
Step 18: 14467 + 851 = 15318
Step 19: 15318 + 851 = 16169
Step 20: 16169 + 851 = 17020
Step 21: 17020 + 851 = 17871
Step 22: 17871 + 851 = 18722
Step 23: 18722 + 851 = 19573
Step 24: 19573 + 851 = 20424
Step 25: 20424 + 851 = 21275
Step 26: 21275 + 851 = 22126
Step 27: 22126 + 851 = 22977
Step 28: 22977 + 851 = 23828
Step 29: 23828 + 851 = 24679
Step 30: 24679 + 851 = 25530
Step 31: 25530 + 851 = 26381
Step 32: 26381 + 851 = 27232
Step 33: 27232 + 851 = 28083
Step 34: 28083 + 851 = 28934
Step 35: 28934 + 851 = 29785
Step 36: 29785 + 851 = 30636
Step 37: 30636 + 851 = 31487
Step 38: 31487 + 851 = 32338
Step 39: 32338 + 851 = 33189
Step 40: 33189 + 851 = 34040
Step 41: 34040 + 851 = 34891
Step 42: 34891 + 851 = 35742
Step 43: 35742 + 851 = 36593
Step 44: 36593 + 851 = 37444
Step 45: 37444 + 851 = 38295
Step 46: 38295 + 851 = 39146
Step 47: 39146 + 851 = 39997
Step 48: 39997 + 851 = 40848
Step 49: 40848 + 851 = 41699
Step 50: 41699 + 851 = 42550
Step 51: 42550 + 851 = 43401
Step 52: 43401 + 851 = 44252
Step 53: 44252 + 851 = 45103
Step 54: 45103 + 851 = 45954
Step 55: 45954 + 851 = 46805
Step 56: 46805 + 851 = 47656
Step 57: 47656 + 851 = 48507
Step 58: 48507 + 851 = 49358
Step 59: 49358 + 851 = 50209
Step 60: 50209 + 851 = 51060
Step 61: 51060 + 851 = 51911
Step 62: 51911 + 851 = 52762
Step 63: 52762 + 851 = 53613
Step 64: 53613 + 851 = 54464
Step 65: 54464 + 851 = 55315
Step 66: 55315 + 851 = 56166
Step 67: 56166 + 851 = 57017
Step 68: 57017 + 851 = 57868
Step 69: 57868 + 851 = 58719
Step 70: 58719 + 851 = 59570
Step 71: 59570 + 851 = 60421
Step 72: 60421 + 851 = 61272
Step 73: 61272 + 851 = 62123
Step 74: 62123 + 851 = 62974
Step 75: 62974 + 851 = 63825
Step 76: 63825 + 851 = 64676
Step 77: 64676 + 851 = 65527
Step 78: 65527 + 851 = 66378
Step 79: 66378 + 851 = 67229
Step 80: 67229 + 851 = 68080
Step 81: 68080 + 851 = 68931
Step 82: 68931 + 851 = 69782
Step 83: 69782 + 851 = 70633
Step 84: 70633 + 851 = 71484
Step 85: 71484 + 851 = 72335
Step 86: 72335 + 851 = 73186
Step 87: 73186 + 851 = 74037
Step 88: 74037 + 851 = 74888
Step 89: 74888 + 851 = 75739
Step 90: 75739 + 851 = 76590
Step 91: 76590 + 851 = 77441
Step 92: 77441 + 851 = 78292
Step 93: 78292 + 851 = 79143
Step 94: 79143 + 851 = 79994
Step 95: 79994 + 851 = 80845
Step 96: 80845 + 851 = 81696
Step 97: 81696 + 851 = 82547
Step 98: 82547 + 851 = 83398
Step 99: 83398 + 851 = 84249
Step 100: 84249 + 851 = 85100
Step 101: 85100 + 851 = 85951
Step 102: 85951 + 851 = 86802
Step 103: 86802 + 851 = 87653
Step 104: 87653 + 851 = 88504
Step 105: 88504 + 851 = 89355
Step 106: 89355 + 851 = 90206
Step 107: 90206 + 851 = 91057
Step 108: 91057 + 851 = 91908
Step 109: 91908 + 851 = 92759
Step 110: 92759 + 851 = 93610
Step 111: 93610 + 851 = 94461
Step 112: 94461 + 851 = 95312
Step 113: 95312 + 851 = 96163
Step 114: 96163 + 851 = 97014
Step 115: 97014 + 851 = 97865
Step 116: 97865 + 851 = 98716
Step 117: 98716 + 851 = 99567
Step 118: 99567 + 851 = 100418
Step 119: 100418 + 851 = 101269
Step 120: 101269 + 851 = 102120
Step 121: 102120 + 851 = 102971
Step 122: 102971 + 851 = 103822
Step 123: 103822 + 851 = 104673
Step 124: 104673 + 851 = 105524
Step 125: 105524 + 851 = 106375
Step 126: 106375 + 851 = 107226
Step 127: 107226 + 851 = 108077
Step 128: 108077 + 851 = 108928
Step 129: 108928 + 851 = 109779
Step 130: 109779 + 851 = 110630
Step 131: 110630 + 851 = 111481
Step 132: 111481 + 851 = 112332
Step 133: 112332 + 851 = 113183
Step 134: 113183 + 851 = 114034
Step 135: 114034 + 851 = 114885
Step 136: 114885 + 851 = 115736
Step 137: 115736 + 851 = 116587
Step 138: 116587 + 851 = 117438
Step 139: 117438 + 851 = 118289
Step 140: 118289 + 851 = 119140
Step 141: 119140 + 851 = 119991
Step 142: 119991 + 851 = 120842
Step 143: 120842 + 851 = 121693
Step 144: 121693 + 851 = 122544
Step 145: 122544 + 851 = 123395
Step 146: 123395 + 851 = 124246
Step 147: 124246 + 851 = 125097
Step 148: 125097 + 851 = 125948
Step 149: 125948 + 851 = 126799
Step 150: 126799 + 851 = 127650
Step 151: 127650 + 851 = 128501
Step 152: 128501 + 851 = 129352
Step 153: 129352 + 851 = 130203
Step 154: 130203 + 851 = 131054
Step 155: 131054 + 851 = 131905
Step 156: 131905 + 851 = 132756
Step 157: 132756 + 851 = 133607
Step 158: 133607 + 851 = 134458
Step 159: 134458 + 851 = 135309
Step 160: 135309 + 851 = 136160
Step 161: 136160 + 851 = 137011
Step 162: 137011 + 851 = 137862
Step 163: 137862 + 851 = 138713
Step 164: 138713 + 851 = 139564
Step 165: 139564 + 851 = 140415
Step 166: 140415 + 851 = 141266
Step 167: 141266 + 851 = 142117
Step 168: 142117 + 851 = 142968
Step 169: 142968 + 851 = 143819
Step 170: 143819 + 851 = 144670
Step 171: 144670 + 851 = 145521
Step 172: 145521 + 851 = 146372
Step 173: 146372 + 851 = 147223
Step 174: 147223 + 851 = 148074
Step 175: 148074 + 851 = 148925
Step 176: 148925 + 851 = 149776
Step 177: 149776 + 851 = 150627
Step 178: 150627 + 851 = 151478
Step 179: 151478 + 851 = 152329
Step 180: 152329 + 851 = 153180
Step 181: 153180 + 851 = 154031
Step 182: 154031 + 851 = 154882
Step 183: 154882 + 851 = 155733
Step 184: 155733 + 851 = 156584
Step 185: 156584 + 851 = 157435
Step 186: 157435 + 851 = 158286
Step 187: 158286 + 851 = 159137
Step 188: 159137 + 851 = 159988
Step 189: 159988 + 851 = 160839
Step 190: 160839 + 851 = 161690
Step 191: 161690 + 851 = 162541
Step 192: 162541 + 851 = 163392
Step 193: 163392 + 851 = 164243
Step 194: 164243 + 851 = 165094
Step 195: 165094 + 851 = 165945
Step 196: 165945 + 851 = 166796
Step 197: 166796 + 851 = 167647
Step 198: 167647 + 851 = 168498
Step 199: 168498 + 851 = 169349
Step 200: 169349 + 851 = 170200
Step 201: 170200 + 851 = 171051
Step 202: 171051 + 851 = 171902
Step 203: 171902 + 851 = 172753
Step 204: 172753 + 851 = 173604
Step 205: 173604 + 851 = 174455
Step 206: 174455 + 851 = 175306
Step 207: 175306 + 851 = 176157
Step 208: 176157 + 851 = 177008
Step 209: 177008 + 851 = 177859
Step 210: 177859 + 851 = 178710
Step 211: 178710 + 851 = 179561
Step 212: 179561 + 851 = 180412
Step 213: 180412 + 851 = 181263
Step 214: 181263 + 851 = 182114
Step 215: 182114 + 851 = 182965
Step 216: 182965 + 851 = 183816
Step 217: 183816 + 851 = 184667
Step 218: 184667 + 851 = 185518
Step 219: 185518 + 851 = 186369
Step 220: 186369 + 851 = 187220
Step 221: 187220 + 851 = 188071
Step 222: 188071 + 851 = 188922
Step 223: 188922 + 851 = 189773
Step 224: 189773 + 851 = 190624
Step 225: 190624 + 851 = 191475
Step 226: 191475 + 851 = 192326
Step 227: 192326 + 851 = 193177
Step 228: 193177 + 851 = 194028
Step 229: 194028 + 851 = 194879
Step 230: 194879 + 851 = 195730
Step 231: 195730 + 851 = 196581
Step 232: 196581 + 851 = 197432
Step 233: 197432 + 851 = 198283
Step 234: 198283 + 851 = 199134
Step 235: 199134 + 851 = 199985
Step 236: 199985 + 851 = 200836
Step 237: 200836 + 851 = 201687
Step 238: 201687 + 851 = 202538
Step 239: 202538 + 851 = 203389
Step 240: 203389 + 851 = 204240
Step 241: 204240 + 851 = 205091
Step 242: 205091 + 851 = 205942
Step 243: 205942 + 851 = 206793
Step 244: 206793 + 851 = 207644
Step 245: 207644 + 851 = 208495
Step 246: 208495 + 851 = 209346
Step 247: 209346 + 851 = 210197
Step 248: 210197 + 851 = 211048
Step 249: 211048 + 851 = 211899
Step 250: 211899 + 851 = 212750
Step 251: 212750 + 851 = 213601
Step 252: 213601 + 851 = 214452
Step 253: 214452 + 851 = 215303
Step 254: 215303 + 851 = 216154
Step 255: 216154 + 851 = 217005
Step 256: 217005 + 851 = 217856
Step 257: 217856 + 851 = 218707
Step 258: 218707 + 851 = 219558
Step 259: 219558 + 851 = 220409
Step 260: 220409 + 851 = 221260
Step 261: 221260 + 851 = 222111
Step 262: 222111 + 851 = 222962
Step 263: 222962 + 851 = 223813
Step 264: 223813 + 851 = 224664
Step 265: 224664 + 851 = 225515
Step 266: 225515 + 851 = 226366
Step 267: 226366 + 851 = 227217
Step 268: 227217 + 851 = 228068
Step 269: 228068 + 851 = 228919
Step 270: 228919 + 851 = 229770
Step 271: 229770 + 851 = 230621
Step 272: 230621 + 851 = 231472
Step 273: 231472 + 851 = 232323
Step 274: 232323 + 851 = 233174
Step 275: 233174 + 851 = 234025
Step 276: 234025 + 851 = 234876
Step 277: 234876 + 851 = 235727
Step 278: 235727 + 851 = 236578
Step 279: 236578 + 851 = 237429
Step 280: 237429 + 851 = 238280
Step 281: 238280 + 851 = 239131
Step 282: 239131 + 851 = 239982
Step 283: 239982 + 851 = 240833
Step 284: 240833 + 851 = 241684
Step 285: 241684 + 851 = 242535
Step 286: 242535 + 851 = 243386
Step 287: 243386 + 851 = 244237
Step 288: 244237 + 851 = 245088
Step 289: 245088 + 851 = 245939
Step 290: 245939 + 851 = 246790
Step 291: 246790 + 851 = 247641
Step 292: 247641 + 851 = 248492
Step 293: 248492 + 851 = 249343
Step 294: 249343 + 851 = 250194
Step 295: 250194 + 851 = 251045
Step 296: 251045 + 851 = 251896
Step 297: 251896 + 851 = 252747
Step 298: 252747 + 851 = 253598
Step 299: 253598 + 851 = 254449
Step 300: 254449 + 851 = 255300
Step 301: 255300 + 851 = 256151
Step 302: 256151 + 851 = 257002
Step 303: 257002 + 851 = 257853
Step 304: 257853 + 851 = 258704
Step 305: 258704 + 851 = 259555
Step 306: 259555 + 851 = 260406
Step 307: 260406 + 851 = 261257
Step 308: 261257 + 851 = 262108
Step 309: 262108 + 851 = 262959
Step 310: 262959 + 851 = 263810
Step 311: 263810 + 851 = 264661
Step 312: 264661 + 851 = 265512
Step 313: 265512 + 851 = 266363
Step 314: 266363 + 851 = 267214
Step 315: 267214 + 851 = 268065
Step 316: 268065 + 851 = 268916
Step 317: 268916 + 851 = 269767
Step 318: 269767 + 851 = 270618
Step 319: 270618 + 851 = 271469
Step 320: 271469 + 851 = 272320
Step 321: 272320 + 851 = 273171
Step 322: 273171 + 851 = 274022
Step 323: 274022 + 851 = 274873
Step 324: 274873 + 851 = 275724
Step 325: 275724 + 851 = 276575
Step 326: 276575 + 851 = 277426
Step 327: 277426 + 851 = 278277
Step 328: 278277 + 851 = 279128

So, 851*328 = 279128